Illustrated diagnostic character matrix based on micro-CT images used for species delimitations (Z. obamai = left column, Z. sarowiwai = middle column, Z. wilsoni = right column). A, B, C Subpetiolar process of petiolar sternum in ventral view (virtually dissected) D, E, F Abdominal segment III in dorsal view G, H, I Abdominal segment III (orange) in ventral view with posterior end (green) J, K, L Abdominal segment III in anteroventral view showing prora (virtually dissected) M, N, O Abdominal segment VI in dorsal view P, Q, R Abdominal segments III, IV, V, and VI in ventral view showing girdling constrictions.